121122101012 has 48 divisors (see below), whose sum is σ = 232846669440. Its totient is φ = 54672614400.

The previous prime is 121122101003. The next prime is 121122101027. The reversal of 121122101012 is 210101221121.

It is a super-2 number, since 2×121122101012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3790928 + ... + 3822744.

It is an arithmetic number, because the mean of its divisors is an integer number (4850972280).

Almost surely, 2^121122101012 is an apocalyptic number.

It is an amenable number.

121122101012 is a deficient number, since it is larger than the sum of its proper divisors (111724568428).

121122101012 is a wasteful number, since it uses less digits than its factorization.

121122101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32432 (or 32430 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121122101012 its reverse (210101221121), we get a palindrome (331223322133).

The spelling of 121122101012 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred one thousand, twelve".